src/cx/fbn/nevernote/dialog/OnlineNoteHistory.java

   1 /*\r
   2  * This file is part of NeverNote \r
   3  * Copyright 2009 Randy Baumgarte\r
   4  * \r
   5  * This file may be licensed under the terms of of the\r
   6  * GNU General Public License Version 2 (the ``GPL'').\r
   7  *\r
   8  * Software distributed under the License is distributed\r
   9  * on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either\r
  10  * express or implied. See the GPL for the specific language\r
  11  * governing rights and limitations.\r
  12  *\r
  13  * You should have received a copy of the GPL along with this\r
  14  * program. If not, go to http://www.gnu.org/licenses/gpl.html\r
  15  * or write to the Free Software Foundation, Inc.,\r
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.\r
  17  *\r
  18 */\r
  19 \r
  20 package cx.fbn.nevernote.dialog;\r
  21 \r
  22 import java.io.File;\r
  23 import java.text.SimpleDateFormat;\r
  24 import java.util.List;\r
  25 \r
  26 import com.evernote.edam.notestore.NoteVersionId;\r
  27 import com.evernote.edam.type.Note;\r
  28 import com.evernote.edam.type.Resource;\r
  29 import com.trolltech.qt.core.QByteArray;\r
  30 import com.trolltech.qt.core.QFile;\r
  31 import com.trolltech.qt.core.QIODevice;\r
  32 import com.trolltech.qt.core.Qt.ContextMenuPolicy;\r
  33 import com.trolltech.qt.gui.QComboBox;\r
  34 import com.trolltech.qt.gui.QDialog;\r
  35 import com.trolltech.qt.gui.QHBoxLayout;\r
  36 import com.trolltech.qt.gui.QLabel;\r
  37 import com.trolltech.qt.gui.QPushButton;\r
  38 import com.trolltech.qt.gui.QVBoxLayout;\r
  39 import com.trolltech.qt.xml.QDomAttr;\r
  40 import com.trolltech.qt.xml.QDomDocument;\r
  41 import com.trolltech.qt.xml.QDomElement;\r
  42 import com.trolltech.qt.xml.QDomNodeList;\r
  43 \r
  44 import cx.fbn.nevernote.Global;\r
  45 import cx.fbn.nevernote.NeverNote;\r
  46 import cx.fbn.nevernote.gui.BrowserWindow;\r
  47 import cx.fbn.nevernote.sql.DatabaseConnection;\r
  48 \r
  49 public class OnlineNoteHistory extends QDialog {\r
  50         public final QPushButton        restoreAsNew;\r
  51         public final QPushButton        restore;\r
  52         private DatabaseConnection  conn;\r
  53         public final QComboBox          historyCombo;    \r
  54         private final BrowserWindow     browser;\r
  55         \r
  56         // Constructor\r
  57         public OnlineNoteHistory(DatabaseConnection c) {\r
  58                 setWindowTitle(tr("Online Note History"));\r
  59                 QVBoxLayout main = new QVBoxLayout();\r
  60                 setLayout(main);\r
  61                 historyCombo = new QComboBox(this);\r
  62                 \r
  63                 QHBoxLayout comboLayout = new QHBoxLayout();\r
  64                 comboLayout.addWidget(new QLabel(tr("History Date:")));\r
  65                 comboLayout.addWidget(historyCombo);\r
  66                 comboLayout.addStretch(100);\r
  67                 \r
  68                 main.addLayout(comboLayout);\r
  69                                 \r
  70                 browser = new BrowserWindow(conn);\r
  71                 main.addWidget(browser);\r
  72                 browser.titleLabel.setVisible(false);\r
  73                 browser.notebookBox.setVisible(false);\r
  74                 browser.hideButtons();\r
  75                 browser.tagEdit.setVisible(false);\r
  76                 browser.tagLabel.setVisible(false);\r
  77                 \r
  78                 QHBoxLayout buttonLayout = new QHBoxLayout();\r
  79                 buttonLayout.addStretch(100);\r
  80                 restore = new QPushButton(tr("Restore Note"));\r
  81                 restore.clicked.connect(this, "restorePushed()");\r
  82                 \r
  83                 restoreAsNew = new QPushButton(tr("Restore As New Note"));\r
  84                 restoreAsNew.clicked.connect(this, "restoreAsNewPushed()");\r
  85                 QPushButton cancel = new QPushButton(tr("Cancel"));\r
  86                 cancel.clicked.connect(this, "cancelPressed()");\r
  87                 \r
  88                 buttonLayout.addWidget(restore);\r
  89                 buttonLayout.addWidget(restoreAsNew);\r
  90                 buttonLayout.addWidget(cancel);\r
  91                 main.addLayout(buttonLayout);\r
  92                 \r
  93                 browser.getBrowser().setContextMenuPolicy(ContextMenuPolicy.NoContextMenu);\r
  94 \r
  95         }\r
  96         \r
  97         @SuppressWarnings("unused")\r
  98         private void restoreAsNewPushed() {\r
  99                 this.close();\r
 100         }\r
 101         @SuppressWarnings("unused")\r
 102         private void restorePushed() {\r
 103                 this.close();\r
 104         }\r
 105         @SuppressWarnings("unused")\r
 106         private void cancelPressed() {\r
 107                 this.close();\r
 108         }\r
 109         \r
 110         public void setCurrent(boolean isDirty) {\r
 111                 if (isDirty) \r
 112                         historyCombo.addItem(new String("Current (Non Synchronized)"));\r
 113                 else\r
 114                         historyCombo.addItem(new String("Current (Synchronized)"));\r
 115                                 \r
 116         }\r
 117         \r
 118         public void load(List<NoteVersionId> versions) {\r
 119                 String fmt = Global.getDateFormat() + " " + Global.getTimeFormat();\r
 120                 String dateTimeFormat = new String(fmt);\r
 121                 SimpleDateFormat simple = new SimpleDateFormat(dateTimeFormat);\r
 122                 \r
 123                 for (int i=0; i<versions.size(); i++) {\r
 124                         StringBuilder versionDate = new StringBuilder(simple.format(versions.get(i).getServiceUpdated()));\r
 125                         historyCombo.addItem(versionDate.toString());\r
 126                 }\r
 127         }\r
 128         \r
 129         public void setContent(Note currentNote) {\r
 130                 StringBuffer b = rebuildNoteHTML(currentNote);\r
 131                 StringBuffer js = new StringBuffer();\r
 132 \r
 133                 // We need to prepend the note with <HEAD></HEAD> or encoded characters are ugly \r
 134                 js.append("<html><head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">");       \r
 135                 js.append("<style type=\"text/css\">en-crypt-temp { border-style:solid; border-color:blue; padding:1mm 1mm 1mm 1mm; }</style>");\r
 136                 js.append("</head>");\r
 137                 js.append(b.toString());\r
 138                 js.append("</HTML>");\r
 139 //              js.replace("<!DOCTYPE en-note SYSTEM 'http://xml.evernote.com/pub/enml2.dtd'>", "");\r
 140 //              js.replace("<?xml version='1.0' encoding='UTF-8'?>", "");\r
 141                 \r
 142                 browser.setNote(currentNote);\r
 143                 browser.getBrowser().page().mainFrame().setHtml(js.toString());\r
 144         }\r
 145  \r
 146         //*************************************************\r
 147         //* XML Modifying Methods\r
 148         //*************************************************\r
 149         private StringBuffer rebuildNoteHTML(Note note) {\r
 150                 QDomDocument doc = new QDomDocument();\r
 151                 QDomDocument.Result result = doc.setContent(note.getContent());\r
 152                 if (!result.success) {\r
 153                         return new StringBuffer(note.getContent());\r
 154                 }\r
 155                 \r
 156                 doc = modifyTags(note, doc);\r
 157                 QDomElement docElem = doc.documentElement();\r
 158                 docElem.setTagName("Body");\r
 159                 \r
 160                 // Fix the stupid problem where inserting an <img> tag after an <a> tag (which is done\r
 161                 // to get the <en-media> application tag to work properly) causes spaces to be inserted\r
 162                 // between the <a> & <img>.  This messes things up later.  This is an ugly hack.\r
 163                 String docString = doc.toString();\r
 164                 StringBuffer html = new StringBuffer(docString.substring(docString.toLowerCase().indexOf("<body>")));\r
 165                 \r
 166                 for (int i=html.indexOf("<a en-tag=\"en-media\" ", 0); i>-1; i=html.indexOf("<a en-tag=\"en-media\" ", i)) {\r
 167                         i=html.indexOf(">\n",i+1);\r
 168                         int z = html.indexOf("<img",i);\r
 169                         for (int j=z-1; j>i; j--) \r
 170                                 html.deleteCharAt(j);\r
 171                         i=html.indexOf("/>", z+1);\r
 172                         z = html.indexOf("</a>",i);\r
 173                         for (int j=z-1; j>i+1; j--) \r
 174                                 html.deleteCharAt(j);\r
 175                 } \r
 176                 return html;\r
 177         }       \r
 178 \r
 179         \r
 180         \r
 181         private QDomDocument modifyTags(Note note, QDomDocument doc) {\r
 182                 QDomElement docElem = doc.documentElement();\r
 183                 \r
 184                 // Modify en-media tags\r
 185                 QDomNodeList anchors = docElem.elementsByTagName("en-media");\r
 186                 int enMediaCount = anchors.length();\r
 187                 for (int i=enMediaCount-1; i>=0; i--) {\r
 188                         QDomElement enmedia = anchors.at(i).toElement();\r
 189                         if (enmedia.hasAttribute("type")) {\r
 190                                 QDomAttr attr = enmedia.attributeNode("type");\r
 191                                 QDomAttr hash = enmedia.attributeNode("hash");\r
 192                                 String[] type = attr.nodeValue().split("/");\r
 193                                 String appl = type[1];\r
 194                                 \r
 195                                 if (type[0] != null) {\r
 196                                         if (type[0].equals("image")) {\r
 197                                                 modifyImageTags(note, docElem, enmedia, hash);\r
 198                                         }\r
 199                                         if (!type[0].equals("image")) {\r
 200                                                 modifyApplicationTags(note, doc, docElem, enmedia, hash, appl);\r
 201                                         }\r
 202 //                                      if (type[0].equals("audio")) {\r
 203 //                                              modifyApplicationTags(doc, docElem, enmedia, hash, appl);\r
 204 //                                      }\r
 205                                 }\r
 206                         }\r
 207                 }\r
 208                 \r
 209                 // Modify todo tags\r
 210                 anchors = docElem.elementsByTagName("en-todo");\r
 211                 int enTodoCount = anchors.length();\r
 212                 for (int i=enTodoCount-1; i>=0; i--) {\r
 213                         QDomElement enmedia = anchors.at(i).toElement();\r
 214                         modifyTodoTags(enmedia);\r
 215                 }\r
 216                 \r
 217                 // Modify en-crypt tags\r
 218                 anchors = docElem.elementsByTagName("en-crypt");\r
 219                 int enCryptLen = anchors.length();\r
 220                 for (int i=enCryptLen-1; i>=0; i--) {\r
 221                         QDomElement enmedia = anchors.at(i).toElement();\r
 222                         //enmedia.setAttribute("style","display:none");\r
 223                         enmedia.setAttribute("contentEditable","false");\r
 224                         enmedia.setAttribute("src", Global.getFileManager().getImageDirPath("encrypt.png"));\r
 225                         enmedia.setAttribute("en-tag","en-crypt");\r
 226                         enmedia.setAttribute("alt", enmedia.text());\r
 227                         Global.cryptCounter++;\r
 228                         enmedia.setAttribute("id", "crypt"+Global.cryptCounter.toString());\r
 229                         String encryptedText = enmedia.text();\r
 230                         \r
 231                         // If the encryption string contains crlf at the end, remove them because they mess up the javascript.\r
 232                         if (encryptedText.endsWith("\n"))\r
 233                                 encryptedText = encryptedText.substring(0,encryptedText.length()-1);\r
 234                         if (encryptedText.endsWith("\r"))\r
 235                                 encryptedText = encryptedText.substring(0,encryptedText.length()-1);\r
 236                         \r
 237                         // Add the commands\r
 238                         enmedia.setAttribute("onClick", "window.jambi.decryptText('crypt"+Global.cryptCounter.toString()+"', '"+encryptedText+"', '"+enmedia.attribute("hint")+"');");\r
 239                         enmedia.setAttribute("onMouseOver", "style.cursor='hand'");\r
 240                         enmedia.setTagName("img");\r
 241                         enmedia.removeChild(enmedia.firstChild());   // Remove the actual encrypted text\r
 242                 }\r
 243 \r
 244                 return doc;\r
 245         }\r
 246         \r
 247         \r
 248         \r
 249         \r
 250            private void modifyApplicationTags(Note n, QDomDocument doc, QDomElement docElem, QDomElement enmedia, QDomAttr hash, String appl) {\r
 251                   \r
 252                    Resource r = null;\r
 253                    for (int i=0; i<n.getResourcesSize(); i++) {\r
 254                            String hashValue = hash.value();\r
 255                            byte res[] = n.getResources().get(i).getData().getBodyHash();\r
 256                            String resourceHashValue = new String(Global.byteArrayToHexString(res));\r
 257                            if (resourceHashValue.equalsIgnoreCase(hashValue)) {\r
 258                                    r = n.getResources().get(i);\r
 259                                    i=n.getResourcesSize();\r
 260                            }\r
 261                    }\r
 262                    \r
 263                    if (r!= null) {\r
 264                                 if (r.getData()!=null) {\r
 265                                         // Did we get a generic applicaiton?  Then look at the file name to \r
 266                                         // try and find a good application type for the icon\r
 267                                         if (appl.equalsIgnoreCase("octet-stream")) {\r
 268                                                 if (r.getAttributes() != null && r.getAttributes().getFileName() != null) {\r
 269                                                         String fn = r.getAttributes().getFileName();\r
 270                                                         int pos = fn.indexOf(".");\r
 271                                                         if (pos > -1) {\r
 272                                                                 appl = fn.substring(pos+1);\r
 273                                                         }\r
 274                                                 }\r
 275                                         }\r
 276                                         \r
 277                                         String fileDetails = null;\r
 278                                         if (r.getAttributes() != null && r.getAttributes().getFileName() != null && !r.getAttributes().getFileName().equals(""))\r
 279                                                 fileDetails = r.getAttributes().getFileName();\r
 280                                         if (fileDetails != null && !fileDetails.equals("")) \r
 281                                                 enmedia.setAttribute("href", "nnres://" +r.getGuid()+n.getUpdateSequenceNum() +Global.attachmentNameDelimeter +fileDetails);\r
 282                                         else\r
 283                                                 enmedia.setAttribute("href", "nnres://" +r.getGuid()+n.getUpdateSequenceNum() +Global.attachmentNameDelimeter +appl);\r
 284                                         if (fileDetails == null || fileDetails.equals(""))\r
 285                                                 fileDetails = "";\r
 286                                         enmedia.setAttribute("en-tag", "en-media");\r
 287                                         enmedia.setAttribute("guid", r.getGuid());\r
 288                                         enmedia.setTagName("a");\r
 289                                         QDomElement newText = doc.createElement("img");\r
 290                                         String icon = findIcon(appl);\r
 291                                         if (icon.equals("attachment.png"))\r
 292                                                 icon = findIcon(fileDetails.substring(fileDetails.indexOf(".")+1));\r
 293                                         newText.setAttribute("src", Global.getFileManager().getImageDirPath(icon));\r
 294                                         newText.setAttribute("title", fileDetails);\r
 295                                         enmedia.removeChild(enmedia.firstChild());\r
 296                                         enmedia.appendChild(newText);\r
 297                                 }\r
 298                         }\r
 299             }\r
 300            /**\r
 301             * find the appropriate icon for an attachment\r
 302             *\r
 303             * NFC TODO: duplicate of {@link NeverNote#findIcon(String)}\r
 304             */\r
 305             private String findIcon(String appl) {\r
 306                 appl = appl.toLowerCase();\r
 307         String relativePath = appl + ".png";\r
 308         File f = Global.getFileManager().getImageDirFile(relativePath);\r
 309         if (f.exists()) {\r
 310             return relativePath;\r
 311         }\r
 312                 return "attachment.png";\r
 313             }\r
 314             \r
 315         \r
 316         \r
 317         \r
 318         \r
 319         \r
 320         \r
 321     private void modifyTodoTags(QDomElement todo) {\r
 322                 todo.setAttribute("type", "checkbox");\r
 323                 String checked = todo.attribute("checked");\r
 324                 todo.removeAttribute("checked");\r
 325                 if (checked.equalsIgnoreCase("true"))\r
 326                         todo.setAttribute("checked", "");\r
 327                 else\r
 328                         todo.setAttribute("unchecked","");\r
 329                 todo.setAttribute("value", checked);\r
 330                 todo.setAttribute("onClick", "value=checked;window.jambi.contentChanged(); ");\r
 331                 todo.setTagName("input");\r
 332     }\r
 333     \r
 334     \r
 335     private void modifyImageTags(Note note, QDomElement docElem, QDomElement enmedia, QDomAttr hash) {\r
 336         String type = enmedia.attribute("type");\r
 337         if (type.startsWith("image/"))\r
 338                 type = "."+type.substring(6);\r
 339         else\r
 340                 type="";\r
 341         \r
 342         Resource r = null;\r
 343                 for (int i=0; i<note.getResourcesSize(); i++) {\r
 344                         String hashValue = hash.value();\r
 345                         byte res[] = note.getResources().get(i).getData().getBodyHash();\r
 346                         String resourceHashValue = new String(Global.byteArrayToHexString(res));\r
 347                    if (hashValue.equalsIgnoreCase(resourceHashValue)) {\r
 348                            r = note.getResources().get(i);\r
 349                            i=note.getResourcesSize();\r
 350                    }\r
 351                 }\r
 352         \r
 353                 if (r==null)\r
 354                         return;\r
 355                 \r
 356         QFile tfile = new QFile(Global.getFileManager().getResDirPath(r.getGuid() + note.getUpdateSequenceNum() + type));\r
 357         if (!tfile.exists()) {\r
 358                         if (r!= null && r.getData() != null && r.getData().getBody().length > 0) {\r
 359                                 tfile.open(new QIODevice.OpenMode(QIODevice.OpenModeFlag.WriteOnly));\r
 360                                 QByteArray binData = new QByteArray(r.getData().getBody());\r
 361                                 tfile.write(binData);\r
 362                                 tfile.close();\r
 363                                 enmedia.setAttribute("src", tfile.fileName());\r
 364                                 enmedia.setAttribute("en-tag", "en-media");\r
 365                                 enmedia.setNodeValue("");\r
 366                         enmedia.setAttribute("guid", r.getGuid());\r
 367                         enmedia.setTagName("img");\r
 368                 }\r
 369         }\r
 370                 enmedia.setAttribute("src", tfile.fileName());\r
 371                 enmedia.setAttribute("en-tag", "en-media");\r
 372                 enmedia.setNodeValue("");\r
 373                 enmedia.setAttribute("guid", r.getGuid());\r
 374                 enmedia.setTagName("img");\r
 375     }\r
 376 }\r